W1SZK
Active1x3District 1
Competitive callsign — 1 application filed with the FCC.
License HolderKalson, Seth Z
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationFullerton, CA
Grant DateJun 10, 2023
Expiration DateAug 24, 2033
W1SZK is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Kalson, Seth Z in Fullerton, CA. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Kalson, Seth Z on Aug 6, 2013. W1SZK has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- .---- ... --.. -.-
CW Weight: 38 units(Moderate)
Voice Phonetics
Whiskey One Sierra Zulu Kilo
Readability: 7.5/10(High readability)
License History
- License RenewedJun 10, 2023
- Administrative Update AppliedMay 24, 2023
- Administrative Update AppliedApr 3, 2018
- Administrative Update AppliedAug 15, 2015
- License IssuedAug 24, 2013
- Vanity Callsign GrantedAug 24, 2013
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Kalson, Seth ZFiled Aug 6, 2013Not awardedFCC ↗